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Zoobest Alpha Test Total Hardness - TH
Water test to determine the total hardness (TH). Suitable for fresh and sea water.
Zoobest Alpha Test Phosphate - PO4
Water test for the determination of phosphate (PO4) concentration in fresh and salt water. Up to 40 tests possible. Measuring range: 0.05 - 2 mg/l PO4-P